fragileadj.易碎的；脆的；精细的；虚弱的fragile area of ecology生态脆弱区fragile blueberry fruit乌饭子fragile ecological zone生态脆弱带fragile for everyday use内部的这个瓶子用非常薄的玻璃制成，由于太薄不易用于日常生活。fragile histidine triade脆性组氨酸三联体基因Fragile handle with care易碎品--小心轻放.Fragile histindine triad脆性组氨酸三联体Fragile ecological system生态脆弱fragile digital watermark脆弱数字水印fragile eco-environment脆弱生态环境